What is 1 + 1 x 1 / 1 - 1

What does x = in this equation x+3+2x=x+5

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?